ParseRailSentiment
Turn a review or support message into a sentiment score, per-aspect breakdown, and the themes driving it.
POST/v1/sentiment
The example in the published schema
charged 00 credits
- auth (bearer key)
- per-key throttle
- validate body
- balance precheck
- run the capability
- charge credits ON SUCCESS ONLY
- JSON
The request body/v1/sentiment
{ "text": "Love the product but support took days to reply.", "aspects": [ "product", "support" ] }
The responsepublished example
// sending the call
// 0 credits charged so farcurl https://api.thecompound.tech/v1/sentiment \
-H "Authorization: Bearer $COMPOUND_API_KEY" \
-H "Content-Type: application/json" \
-d '{"text":"Love the product but support took days to reply.","aspects":["product","support"]}'Scored
6 of 6 field checks passed when the eval suite last ran against production, on 2026-07-08. Every endpoint's score
The Communication guide has this endpoint with its example response. The reference has every parameter.
More from Communication
Summarize $0.03/callA meeting transcript, thread, or report → a tight summary, key points, and extracted action items.Reply drafting $0.05/replyA customer thread plus your context → a ready-to-send reply in the right tone, with an internal note for the agent.Ticket triage $0.03/ticketA support ticket → priority, category, the team it belongs to, sentiment, SLA risk, and a suggested first response.Meeting minutes $0.06/transcriptA meeting transcript → clean minutes: summary, decisions made, action items with owners, and open questions.Outreach sequence $0.06/sequenceAn enriched lead plus what you sell → a personalized outreach sequence that references what actually makes them a fit.Review response $0.03/reviewA customer review → a brand-safe public response, the issues to log, and whether it needs human escalation.